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ICE Proceedings

E-ISSN: 1753-7789

Volume 89, Issue 2, June 1990

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HYDRAULIC JUMPS IN TWO-LAYER FLOWS.
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- pp. 127–142
- Authors: N RAJARATNAM; RL POWLEY
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6937
- Proc. Instn Ciu. Engrs, Part 2,1990,89, June,127-142 9471 PAPER ENGINEERING GROUP Hydraulic jumpsin two-layer flows N. RAJARATNAM, BE (Hons), MSc,PhD* This Paper describes laboratory experiments on hydraulic jumps, produced in the lower layer of a two-layer system, as it flows along a rectangular channel, while the upper layer remains essentiallyat rest. Three cases are examined: a free in a horizontal channel; a jump submerged jump in a horizontal channel; a free in a sloping channel...
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CIRCUMFERENTIAL PRESSURES ON A FIXED VERTICAL CYLINDER IN WAVES,L
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- pp. 143–162
- Authors: AGL BORTHWICK; DM HERBERT; KEULEGAN; CARPENTER
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6938
- Proc. Instn Ciu. Engrs, Part 2,1990,89, June, 143-162 PAPER 9494 WATER ENGINEERING GROUP Circumferential pressures on a fixed vertical cylinder in waves A. G. L. BORTHWICK, BEng, PhD, D. M. HERBERT, BSc, MSc, PhD? Information on wave-induced circumferential pressureproNes is important for the buckling analysis of weight-optimized vertical columns used in floating deep water platforms. This Paper presents experimental measurements and an analytical study of the wave-induced pressure distributionsaroundastationary, largediameter,verticalcolumnforsurface Keulegan-Carpenter numbers SKC in the range 1 < SKC 4...
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DESIGN OF BEAMS WITH PARTIAL END RESTRAINT.
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- pp. 163–181
- Authors: MA BRADFORD; BS 5950
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6939
- Proc. Instn Ciu. Engrs, Part 2,1990, S , June, 163-181 s PAPER 9522 STRUCTURAL ENGINEERING GROUP Design of beams with partial restraint end M. A. BRADFORD, BSc, BE, PhD, MIEAust, MASCE* A finite element method of analysis of elastic distortional buckling is used to studythe stability of isolated I-section beams which have partial end restraint. The members considered in the Paper have geometries typical of hot-rolled universal beams. The theory is verified experimentally, and elastic buckling values are given...
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NUMERICAL STUDY OF PLATE GIRDER WEBS WITH HOLES
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- pp. 183–206
- Author: MMK LEE
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6940
- Proc. Instn Ciu. Engrs, Part 2,1990,89, June, 183-206 PAPER 9523 STRUCTURAL ENGINEERING GROUP Numerical study of plate girder webs with holes M. M. K. Lee, BSc(Eng),PhD, MIStructE, MICE* The analysis 22 transversely-stiffened plate girder panels using the finite element method is of reported. The webs of these panels contained circular, square and elongated circular holes and they were subjected to a combination of bending and shearing loads. The panel ultimate strengthandthestressfieldsintheirwebsatcollapsewereobtained.Therewasgood agreement of the ultimate strength between the calculated and the experimental values where available...
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COMPUTER-CONTROLLED SIMULATION OF SHORT-CRESTED SEAS.
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- pp. 207–224
- Authors: BT LINFOOT; IG BRYDEN; MS HALL
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6941
- Proc. lnstn Cio. Engrs, Part 2,1990,89, June, 207-224 PAPER 9521 COMPUTER APPLICATIONS AND METHODS GROUP Computer-controlled simulationof short-crested seas B. T. LINFOOT, BEng, EurIng, MICE* I. G. BRYDEN, BSc, PhD, MInstPt M. S . HALL, B.Eng$ The dynamics of lage floating structures include complex, non-linear, wave-structure interactions and responses. Recent advances in wave simulation technology provide method of a evaluating the performance of design proposals, using physical models in realistic shortcrested seas as either an adjunct, or an alternative, to numerical simulation tools...
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POLYSTYRENE AGGREGATE CONCRETE SUBJECTED TO HARD IMPACT.
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- pp. 225–239
- Authors: PH BISCHOFF; K YAMURA; SH PERRY
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6942
- h o c . Instn Civ. Engrs, Part 2,1990,89, June, 225-239 PAPER 9538 STRUCTURAL ENGINEERING GROUP Polystyrene aggregate concrete subjected to hard impact P. H. BISCHOFF, BASc, MEng, PhD, DIC, PEng* K. YAMURA, DrEngf S. H. PERRY, BSc(Eng), MA,PhD, FICE, FIStructE, FIEIf The usefulness of polystyrene aggregate concrete to absorb energy and to reduce contact loads during hard impact at low velocities has been investigated witha drop hammer impact rig. A solid shaped 31...
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STABILITY OF BEAMS SUBJECT TO COMBINED GRAVITY LOADING AND APPLIED END MOMENTS.
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- pp. 241–250
- Author: BK DOUGHERTY
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6943
- Proc. Instn Ciu. Engrs, Part 2,1990,89, June, 241-250 PAPER 9545 STRUCTURAL ENGINEERING GROUP Stability of beams subject to combined gravity loading and applied end moments B. K. DOUGHERTY, PrEng, BSc(Eng), MSc(Eng), PhD, MICE, MIStructE, MASCE, MSAICE* The elastic buckling of beams subject to systems of combined loading is considered. These comprise two common forms of gravity loading, namely a central point load and a uniformly distributed load, acting conjunction with applied end moments...
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STEEL-CONCRETE COMPOSITE GIRDER WITH EPOXY BONDING.
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- pp. 251–260
- Authors: DS PRAKASH RAO; SP SHARMA
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6944
- Proc. Instn Civ. Engrs, Part 2,1990,89, June, 251-260 PAPER 9567 STRUCTURAL ENGINEERING GROUP Steel-concrete composite girder with epoxy bonding D. S . PRAKASH RAO,BE, ME, PhD* Tests on a steekoncrete composite girder with epoxy bonding instead of the usual shear connectors at the interface are described. A girder of 4.5 m effective span was subjected to 2 million cycles of pulsating load, and its behaviour was monitored periodically. The epoxy bonding did not show any signs of deterioration up to ultimate load...
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LARGE-SCALE MODEL TESTS AND PLASTIC ANALYSIS OF MULTIBAY INFILLED FRAMES.
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- pp. 261–277
- Authors: KH KWAN; CQ LO; TC LIAUW
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6945
- h o c . Instn Ciu. Engrs, Part 2,1990, S,June, 261-271 s PAPER 9571 STRUCTURAL ENGINEERING GROUP Large-scale model tests and plastic analysis of multibay infilled frames K. H. K W A N , BSc(Eng), PhD, MICE* c.Q. Lo, BSc(Eng), MSc,PhD* T. c.LIAUW, BSc(Eng),DIC, PhD, DSc, FICE, FHKIE* Six large-scale models of multibay, multistorey, infilled frames of steelwork frame and concrete infill construction were tested...
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SIMPLE ELASTIC CRITICAL LOAD AND EFFECTIVE LENGTH CALCULATIONS FOR MULTISTOREY RIGID SWAY FRAMES.
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- pp. 279–287
- Authors: FW WILLIAMS; G SHARP
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6946
- Proc. Instn Cio. Engrs, Part 2,1990,89, June, 219-281 PAPER 9517 STRUCTURAL ENGINEERING GROUP Simple elastic critical load effective and for length calculations multistorey rigid sway frames F. W. WILLIAMS, MA, PhD, ScD,FICE, FIStructE* G. SHARP, BSc, MSc, MICE? A recent paper gave simple expressions which allow wind-induced deflexions multistorey of rigidly-jointed steel sway frames be calculated by hand from a single-cell substitute frame. to These expressions are extended to give an approximation to the elastic critical load factor (i...
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TECHNICAL NOTE. SEISMIC TOMOGRAPHY AS A TOOL FOR MONITORING CONDITION OF A CONCRETE DAM.
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- pp. 289–293
- Authors: J SMITH; BC DYER
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6947
- h o c . Instn Ciu. Engrs, Part 2,1990,89, June, 289-293 TECHNICAL NOTE 526 GROUND GROUP ENGINEERING Seismic tomography as a tool for monitoring condition of a concretedam J. SMITH, MSC* B. C . DYER, PhD? For many years the condition of a concrete gravity dam diagnosed as suffering from alkali aggregate reaction has been monitored periodically by seismic transmission measurements. A strong correlation between seismic velocity and those parts o the dam aflicted by alkali f aggregate reaction has been established. By carrying out seismic transmission measurements on a large number of ray paths through a section of the dam and applying computer based tomographic algorithms to invert the travel time data, a velocity image of the dam section was produced...
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TECHNICAL NOTE. LIVE LOAD STUDIES FOR BUILDINGS IN GHANA.
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- pp. 295–299
- Authors: KA ANDAM; BS 6399
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6948
- Proc. Instn Cio. Engrs, Part 2,1990,89, June, 295-299 TECHNICAL NOTE 528 STRUCTURAL ENGINEERING GROUP Live load studies buildings in Ghana for K. A. ANDAM, BSc(Eng),PhD, MICE* The Paper reports on gravity live load surveys conducted in Ghana. Detailed results for sustained load events in domestic regions are presented. The data also include new material for office buildings, part of which has appeared elsewhere. stochastic model is then used A to synthesise main events the load into a lifetime equivalent uniformly-distributed load (EUDL),which is compared with similar European and American surveys...
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TECHNICAL NOTE. TIME-DEPEDENT DISTRIBUTIONS OF STRAIN AND BOND STRESS ALONG TENSION REINFORCEMENT.
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- pp. 301–312
- Authors: RH SCOTT; PAT GILL
- Document Type: Research Article
- DOI: 10.1680/iicep.1990.6949
- Proc. Instn Ciu. Engrs, Part 2,1990,89, June, 301-312 TECHNICAL NOTE 532 STRUCTURAL ENGINEERING GROUP Time-dependent distributions of strain and bond stress alongtension reinforcement R. H. SCOTT, BSc(Eng), MSc,DIC, PhD, MICE, FIStructE* P.A. T. GILL, BSc, MSc, PhD, FIMechE* Six tension specimens were tested, each a concrete prism reinforced with a single 12 mm diameter rod. Four specimens were subjected a sustained loading,and two specimensto a to cyclic loading; test durations were up to 73 days...
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DISCUSSION. NON-LINEAR ANALYSIS OF TUNNEL LININGS UNDER LONGITUDINAL BENDING.
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- pp. 313–314
- Authors: H SUCUOGLU; JV BARTLETT
- Document Type: Discussion
- DOI: 10.1680/iicep.1990.6950
- Proc. Instn Civ. Engrs, Part 2,1990,89, June, 313-314 DISCUSSION ON PAPER STRUCTURAL P9337 ENGINEERING GROUP Non-linear analysis of tunnel linings under longitudinal bending H. Sucuoglu Mr J. V. Bartlett, Mott Macdonald Civil Limited The Holland and PATH tunnels under the River Hudson have both settled much more than is usual for soft ground tunnels. The PATH tunnel `A' emerges from hard rock into soft river deposits, with no special protective features to accommodate relative movement at the transition. Would not Dr Sucuoglu then agree that, as apparently neither of these tunnels has suffered loss of serviceability from longitudinal bending during their long lives, the results confirm that it is unnecessary to consider longitudinal bending at the design stage except in very special circumstances? 50...

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ICE - Institution of Civil Engineers - Virtual Library

ICE Proceedings

Volume 89, Issue 2, June 1990